X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fframework%2Fmlt_service.c;h=46197804ae0bc4f355740ff2d5f99d3f5f1409e4;hb=e6c03148e1dc3b0e363c9f304b3ed93fbc1a91a9;hp=a5e6df93b2b57e77a4f614463d8af5c8e50f141f;hpb=1bd08df850a0e7e4cf664a8d8fdf3ca89ac108b4;p=melted

diff --git a/src/framework/mlt_service.c b/src/framework/mlt_service.c
index a5e6df9..4619780 100644
--- a/src/framework/mlt_service.c
+++ b/src/framework/mlt_service.c
@@ -160,6 +160,11 @@ int mlt_service_connect_producer( mlt_service this, mlt_service producer, int in
 	// Get the service base
 	mlt_service_base *base = this->local;
 
+	// Special case 'track' index - only works for last filter(s) in a particular chain
+	// but allows a filter to apply to the output frame regardless of which track it comes from
+	if ( index == -1 )
+		index = 0;
+
 	// Check if the producer is already registered with this service
 	for ( i = 0; i < base->count; i ++ )
 		if ( base->in[ i ] == producer )